mirror of
https://github.com/go-gitea/gitea.git
synced 2024-12-05 09:03:48 +08:00
792b4dba2c
* update github.com/blevesearch/bleve v2.0.2 -> v2.0.3 * github.com/denisenkom/go-mssqldb v0.9.0 -> v0.10.0 * github.com/editorconfig/editorconfig-core-go v2.4.1 -> v2.4.2 * github.com/go-chi/cors v1.1.1 -> v1.2.0 * github.com/go-git/go-billy v5.0.0 -> v5.1.0 * github.com/go-git/go-git v5.2.0 -> v5.3.0 * github.com/go-ldap/ldap v3.2.4 -> v3.3.0 * github.com/go-redis/redis v8.6.0 -> v8.8.2 * github.com/go-sql-driver/mysql v1.5.0 -> v1.6.0 * github.com/go-swagger/go-swagger v0.26.1 -> v0.27.0 * github.com/lib/pq v1.9.0 -> v1.10.1 * github.com/mattn/go-sqlite3 v1.14.6 -> v1.14.7 * github.com/go-testfixtures/testfixtures v3.5.0 -> v3.6.0 * github.com/issue9/identicon v1.0.1 -> v1.2.0 * github.com/klauspost/compress v1.11.8 -> v1.12.1 * github.com/mgechev/revive v1.0.3 -> v1.0.6 * github.com/microcosm-cc/bluemonday v1.0.7 -> v1.0.8 * github.com/niklasfasching/go-org v1.4.0 -> v1.5.0 * github.com/olivere/elastic v7.0.22 -> v7.0.24 * github.com/pelletier/go-toml v1.8.1 -> v1.9.0 * github.com/prometheus/client_golang v1.9.0 -> v1.10.0 * github.com/xanzy/go-gitlab v0.44.0 -> v0.48.0 * github.com/yuin/goldmark v1.3.3 -> v1.3.5 * github.com/6543/go-version v1.2.4 -> v1.3.1 * do github.com/lib/pq v1.10.0 -> v1.10.1 again ...
114 lines
3.2 KiB
Go
Vendored
114 lines
3.2 KiB
Go
Vendored
package dns
|
|
|
|
import "strings"
|
|
|
|
// PrivateRdata is an interface used for implementing "Private Use" RR types, see
|
|
// RFC 6895. This allows one to experiment with new RR types, without requesting an
|
|
// official type code. Also see dns.PrivateHandle and dns.PrivateHandleRemove.
|
|
type PrivateRdata interface {
|
|
// String returns the text presentaton of the Rdata of the Private RR.
|
|
String() string
|
|
// Parse parses the Rdata of the private RR.
|
|
Parse([]string) error
|
|
// Pack is used when packing a private RR into a buffer.
|
|
Pack([]byte) (int, error)
|
|
// Unpack is used when unpacking a private RR from a buffer.
|
|
Unpack([]byte) (int, error)
|
|
// Copy copies the Rdata into the PrivateRdata argument.
|
|
Copy(PrivateRdata) error
|
|
// Len returns the length in octets of the Rdata.
|
|
Len() int
|
|
}
|
|
|
|
// PrivateRR represents an RR that uses a PrivateRdata user-defined type.
|
|
// It mocks normal RRs and implements dns.RR interface.
|
|
type PrivateRR struct {
|
|
Hdr RR_Header
|
|
Data PrivateRdata
|
|
|
|
generator func() PrivateRdata // for copy
|
|
}
|
|
|
|
// Header return the RR header of r.
|
|
func (r *PrivateRR) Header() *RR_Header { return &r.Hdr }
|
|
|
|
func (r *PrivateRR) String() string { return r.Hdr.String() + r.Data.String() }
|
|
|
|
// Private len and copy parts to satisfy RR interface.
|
|
func (r *PrivateRR) len(off int, compression map[string]struct{}) int {
|
|
l := r.Hdr.len(off, compression)
|
|
l += r.Data.Len()
|
|
return l
|
|
}
|
|
|
|
func (r *PrivateRR) copy() RR {
|
|
// make new RR like this:
|
|
rr := &PrivateRR{r.Hdr, r.generator(), r.generator}
|
|
|
|
if err := r.Data.Copy(rr.Data); err != nil {
|
|
panic("dns: got value that could not be used to copy Private rdata: " + err.Error())
|
|
}
|
|
|
|
return rr
|
|
}
|
|
|
|
func (r *PrivateRR) pack(msg []byte, off int, compression compressionMap, compress bool) (int, error) {
|
|
n, err := r.Data.Pack(msg[off:])
|
|
if err != nil {
|
|
return len(msg), err
|
|
}
|
|
off += n
|
|
return off, nil
|
|
}
|
|
|
|
func (r *PrivateRR) unpack(msg []byte, off int) (int, error) {
|
|
off1, err := r.Data.Unpack(msg[off:])
|
|
off += off1
|
|
return off, err
|
|
}
|
|
|
|
func (r *PrivateRR) parse(c *zlexer, origin string) *ParseError {
|
|
var l lex
|
|
text := make([]string, 0, 2) // could be 0..N elements, median is probably 1
|
|
Fetch:
|
|
for {
|
|
// TODO(miek): we could also be returning _QUOTE, this might or might not
|
|
// be an issue (basically parsing TXT becomes hard)
|
|
switch l, _ = c.Next(); l.value {
|
|
case zNewline, zEOF:
|
|
break Fetch
|
|
case zString:
|
|
text = append(text, l.token)
|
|
}
|
|
}
|
|
|
|
err := r.Data.Parse(text)
|
|
if err != nil {
|
|
return &ParseError{"", err.Error(), l}
|
|
}
|
|
|
|
return nil
|
|
}
|
|
|
|
func (r1 *PrivateRR) isDuplicate(r2 RR) bool { return false }
|
|
|
|
// PrivateHandle registers a private resource record type. It requires
|
|
// string and numeric representation of private RR type and generator function as argument.
|
|
func PrivateHandle(rtypestr string, rtype uint16, generator func() PrivateRdata) {
|
|
rtypestr = strings.ToUpper(rtypestr)
|
|
|
|
TypeToRR[rtype] = func() RR { return &PrivateRR{RR_Header{}, generator(), generator} }
|
|
TypeToString[rtype] = rtypestr
|
|
StringToType[rtypestr] = rtype
|
|
}
|
|
|
|
// PrivateHandleRemove removes definitions required to support private RR type.
|
|
func PrivateHandleRemove(rtype uint16) {
|
|
rtypestr, ok := TypeToString[rtype]
|
|
if ok {
|
|
delete(TypeToRR, rtype)
|
|
delete(TypeToString, rtype)
|
|
delete(StringToType, rtypestr)
|
|
}
|
|
}
|